<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>权限管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 用户列表主体 -->
        <el-card>
            <el-row :gutter="25">

                <el-col :span="10">
                    <!-- 搜索区域 -->
                    <el-input placeholder="请输入搜索内容" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <!-- 添加用户 -->
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>
            <!-- 用户列表 border边框  stripe隔行变色-->
            <el-table :data="userList" border stripe>
                <el-table-column type="index"></el-table-column><!--索引列 -->
                <el-table-column label="用户名" prop="username"></el-table-column>
                <el-table-column label="邮箱" prop="email"></el-table-column>
                <el-table-column label="密码" prop="password"></el-table-column>
                <el-table-column label="角色" prop="role"></el-table-column>
                <el-table-column label="状态" prop="state">
                    <!-- 作用域查找 -->
                    <template slot-scope="scope">
                        <el-switch v-model="scope.row.state" @change="userStateChange(scope.row)"></el-switch>>
                    </template>
                </el-table-column>
                <el-table-column label="操作">
                    <template slot-scope="scope">
                        <!-- 修改 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini"
                            @click="showEditDialog(scope.row.id)"></el-button>
                        <!-- 删除 -->
                        <el-button type="danger" icon="el-icon-delete" size="mini"
                            @click="deleteUser(scope.row.id)"></el-button>
                        <!-- 权限 -->
                        <el-tooltip effect="dark" content="分配权限" placement="top-start" :enterable="false"></el-tooltip>
                        <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页组件 size-change 每页最大变化 current-change 当前最大变化 layout功能组件-->
            <div>
                <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
                    :current-page="queryInfo.pageNumber" :page-sizes="[5, 10, 20, 50]" :page-size="queryInfo.pageSize"
                    layout="total, sizes, prev, pager, next, jumper" :total="total">
                </el-pagination>

            </div>
        </el-card>
        <!-- 新增用户区域 -->
        <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
            <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
                <!-- 用户名 -->
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password"></el-input>
                </el-form-item>
                <!-- 邮箱 -->
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>
            </el-form>
            <!-- 内容底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取消</el-button>
                <el-button @click="addUser" type="primary">确定</el-button>
            </span>
        </el-dialog>
        <!-- 修改对话框 -->
        <el-dialog title="修改用户信息" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
                <!-- 用户名 -->
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item label="密码" prop="password">
                    <el-input v-model="editForm.password"></el-input>
                </el-form-item>
                <!-- 邮箱 -->
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
            </el-form>
            <!-- 内容底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取消</el-button>
                <el-button @click="editUserInfo" type="primary">确定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
    created() {
        this.getUserList();
    },
    data() {
        return {
            //查询信息实体
            queryInfo: {
                query: "",//查询信息
                pageNumber: 1,//默认显示的页数
                pageSize: 10,//每页默认显示的数据
            },
            userList: [],//用户列表
            total: 0,//总记录数
            addDialogVisible: false,//对话框状态
            addForm: {
                username: '',
                password: '',
                email: ''
            },
            //修改用户信息
            editForm: {},
            //显示/隐藏修改用户栏
            editDialogVisible: false,

            //添加表单验证
            addFormRules: {
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min: 6, max: 50, message: '长度在 6 到 50 个字符', trigger: 'blur' }
                ],
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 20, message: '长度在 6 到 20 个字符', trigger: 'blur' }
                ],
                email: [
                    { required: true, message: '请输入邮箱', trigger: 'blur'},
                    { min: 5, max: 20, message: '邮箱长度在 5 到 20个字符', trigger: 'blur' }
                ],
            },
            //修改表单验证
            editFormRules: {
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 8, message: '长度在 6 到 8 个字符', trigger: 'blur' }
                ],
                email: [
                    { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { min: 5, max: 15, message: '请输入正确的邮箱地址', trigger: 'blur' }
                ],
            },
        };
    },
    methods: {
        //获取所有用户
        async getUserList() {
            const { data: res } = await this.$http.get("allUser", { params: this.queryInfo });
            this.userList = res.data;
            this.total = res.numbers;
        },
        //监听 page size 改变的事件
        handleSizeChange(newSize) {
            this.queryInfo.pageSize = newSize;
            this.getUserList();
        },
        //监听 页码值 改变的事件
        handleCurrentChange(newPage) {
            this.queryInfo.pageNum = newPage;
            this.getUserList();
        },
        //更新用户状态
        async userStateChange(userInfo) {
            var url = "userState?id=" + userInfo.id + "&state=" + userInfo.state;
            const { data: res } = await this.$http.put(url);
            if (res == "qiYong") {
                // userInfo.id = !userInfo.id;
                return this.$message.success("用户已启用！！！");
            }
            if (res == "guanBi") {
                // userInfo.id = !userInfo.id;
                return this.$message.success("用户已关闭！！！");
            }
            this.$message.error("操作失败！！！");
        },
        //监听添加用户
        addDialogClosed() {
            this.$refs.addFormRef.resetFields();
        },
        
        addUser() {
            this.$refs.addFormRef.validate(async valid => {
                if (!valid) return;
                const { data: res } = await this.$http.post("addUser", this.addForm);
                if (res != "success") {
                    return this.$message.error("操作失败！！！");
                }
                this.$message.success("操作成功！！！");
                this.addDialogVisible = false;
                this.getUserList();
            });
        },
        // 根据主键删除用户
        async deleteUser(id) {
            const confirmResult = await this.$confirm('此操作将永久删除用户，是否继续？', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)
            if (confirmResult != 'confirm') {//取消
                return this.$message.info("已取消删除")
            }
            const { data: res } = await this.$http.delete("deleteUser?id=" + id);
            if (res != "success") {
                return this.$message.error("删除失败！");
            }
            this.$message.success("删除成功！");
            this.getUserList();
        },
        //显示对话框
        async showEditDialog(id) {
            const { data: res } = await this.$http.get("getUpdateUser?id=" + id);
            this.editForm = res;//查询用户信息反馈到表单里
            this.editDialogVisible = true;//开启编辑对话框
        },
        //关闭窗口
        editDialogClosed() {
            this.$refs.editFormRef.resetFields();//重置信息
        },
        //确认修改
        editUserInfo() {
            this.$refs.editFormRef.validate(async valid => {
                if (!valid) return;
                //发起修改请求
                const { data: res } = await this.$http.put("editUser", this.editForm)
                if (res != "success") {
                    return this.$message.error("修改失败！");
                }
                this.$message.success("修改成功！");
                //隐藏
                this.editDialogVisible = false;
                this.getUserList;
            })
        },
    },


}
</script>

<style lang="less" scoped>
.el-breadcrumb {
    margin-bottom: 15px;
    font-size: 17px;
}
</style>